Boonweaver Giant + Kaya's Ghostform + Phyrexian Altar

WB identity

Commander legal

The 3 combo pieces

• Boonweaver Giant
• Kaya's Ghostform
• Phyrexian Altar

How to execute it

1. Activate Phyrexian Altar by sacrificing Boonweaver Giant
2. When Boonweaver Giant dies, Kaya's Ghostform triggers, returning Boonweaver Giant from your graveyard to the battlefield tapped.
3. When Boonweaver Giant enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Boonweaver Giant.
4. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers